** Exelixis' EXEL.O shares rise 1.7% to $21.45 premarket
** Co's cancer therapy, Cabometyx, in combination with
Roche's ROG.S antibody treatment Tecentriq, helped extend the
time patients with a type of prostate cancer lived without their
disease worsening
** EXEL and partner Ipsen IPN.PA say data on overall
survival, another main goal of the trial, is not yet ready for
analysis
** According to the Center for Disease Control, prostate
cancer is the second most common cancer among men in the U.S.
** Cabometyx is already approved for treating other types of
cancer including kidney and thyroid cancer
** Up to last close shares up 31.6% YTD
(Reporting by Christy Santhosh)
((Christy.Santhosh@thomsonreuters.com))